Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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63 lines
1.7 KiB
63 lines
1.7 KiB
# Protobuf Rust runtime packages. |
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load("@rules_rust//rust:defs.bzl", "rust_library", "rust_test") |
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load("//third_party/bazel_skylib/rules:common_settings.bzl", "string_flag") |
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load("@rules_proto//proto:defs.bzl", "proto_lang_toolchain") |
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package(default_visibility = ["//src/google/protobuf:__subpackages__"]) |
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rust_library( |
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name = "protobuf", |
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srcs = ["lib.rs"], |
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rustc_flags = select({ |
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":use_upb_kernel": ["--cfg=upb_kernel"], |
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"//conditions:default": ["--cfg=cpp_kernel"], |
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}), |
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deps = select({ |
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":use_upb_kernel": ["//rust/upb_kernel:upb"], |
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"//conditions:default": ["//rust/cpp_kernel:cpp"], |
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}), |
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) |
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rust_test( |
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name = "protobuf_test", |
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crate = ":protobuf", |
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rustc_flags = select({ |
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":use_upb_kernel": ["--cfg=upb_kernel"], |
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"//conditions:default": ["--cfg=cpp_kernel"], |
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}), |
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tags = [ |
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"not_build:arm", |
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"notsan", |
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], |
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) |
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# TODO(b/270125787): Move to the right location once rust_proto_library is no longer experimental. |
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proto_lang_toolchain( |
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name = "proto_lang_toolchain", |
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command_line = "--rust_out=experimental-codegen=enabled,kernel=" + select({ |
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":use_upb_kernel": "upb", |
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"//conditions:default": "cpp", |
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}) + ":$(OUT)", |
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progress_message = "Generating Rust proto_library %{label}", |
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runtime = ":protobuf", |
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visibility = ["//visibility:public"], |
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) |
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# This flag controls what kernel all Rust Protobufs are using in the current build. |
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string_flag( |
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name = "rust_proto_library_kernel", |
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build_setting_default = "cpp", |
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values = [ |
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"upb", |
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"cpp", |
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], |
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) |
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config_setting( |
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name = "use_upb_kernel", |
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flag_values = { |
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":rust_proto_library_kernel": "upb", |
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}, |
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)
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